decryption
nounUK /diːˈkrɪpʃən/
US /diːˈkrɪpʃən/
Decryption is the act of turning a secret code back into words you can read.
The spy used a special key for the decryption of the message.
RELATED WORDS
OTHER MEANINGS
2. The process of converting encrypted data back into its original form using a key.
Modern decryption protects your bank details when you shop online.
3. The act of figuring out something confusing or written in a hard way.
Her decryption of the old letter took all afternoon.
4. In computing, the step that reverses encryption so software can read the file.
The app handles decryption automatically when you log in.